The median annual wage for biomedical engineers was $86,960 in May 2012. The median wage is the wage at which half the workers in an occupation earned more than that amount and half earned less. The lowest 10 percent earned less than $52,600, and the top 10 percent earned more than $139,450.
Fill a spray bottle half full of vinegar and half with water. Shake the bottle to combine the ingredients and use this as a spray to get rid of fleas in your yard or garage. The strong smell may not be desirable for using as an interior spray, but for the yard it can drive fleas out.
Homemade Flea Spray With Lemon: Lemon is another natural, handy natural flea remedy. It's really easy to make a lemon flea spray. Take a couple of lemons, one to three depending on how strong you want it to be, and slice them very thin, keeping the peel on. Place the slices in a pint of water and bring it to a boil.